Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Gulf of California

Heartsling – Residency

2nd sighting in Gulf of California
Fluke of Heartsling
Heartsling Confirmed in the catalog @6630
Dec 23, 2022 – Feb 22, 2023 · Gulf of California

Gulf of California · Dec 2022 – Feb 2023

150 m
Deepest dive
6:09
Longest dive
37
Dives
Sightings
4
Days between first and last sighting
61

Dive stats modelled within real depth limits — not measured

Get actual dive data with Risa Deep →
SightingSeafloorSea tempDeepest dive (modelled)
Dec 23, 2022612 m24.1°C86 m
Dec 23, 202214 m—12 m
Feb 9, 2023216 m25.0°C150 m
Feb 22, 202389 m24.2°C76 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Dec 23, 2022 — seafloor 612 m (measured), deepest dive 86 m (modelled)Dec 23Dec 23, 2022 — seafloor 14 m (measured), deepest dive 12 m (modelled)Dec 23Feb 9, 2023 — seafloor 216 m (measured), deepest dive 150 m (modelled)Feb 9Feb 22, 2023 — seafloor 89 m (measured), deepest dive 76 m (modelled)Feb 22

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

150 m
Deepest dive
6:09
Longest dive
37
Dives
32 m
Avg dive depth
4
Sightings
61
Days first → last

Dive metrics are modelled within real depth limits — not measured

Get actual dive data with Risa Deep →

Dive profile

modelled
075150150 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (216 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

Unlock with Risa Deep

Place

Where this happened · Feb 9, 2023

measured
Seafloor depth
216 m
Sea-surface temperature
25.0°C
Distance from shore
2.0 km

Across the residency · 4 sightings

measured
Seafloor depth
14 m – 612 m
Sea-surface temperature
24.1°C – 25.0°C
Distance from shore
2.0 km – 8.0 km

Sources: GEBCO seafloor grid · NASA JPL MUR sea temperature · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 4 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

Happywhale runs on donations: support Happywhale →

Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.